Home / 4,680,752.80-7,021,129.20-3,973,914.40

Finding the Fourth Proportional to 4,680,752.80, 7,021,129.20 and 3,973,914.40

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Solution

The fourth proportional to 4,680,752.80, 7,021,129.20 and 3,973,914.40 is: 5,960,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,752.80 : 7,021,129.20 = 3,973,914.40 : x
  2. Step 2: Convert to fraction form
    4,680,752.80/7,021,129.20 = 3,973,914.40/x
  3. Step 3: Cross multiply
    4,680,752.80x = 7,021,129.20 × 3,973,914.40
  4. Step 4: Simplify right side
    4,680,752.80x = 27,901,366,432,140.48
  5. Step 5: Solve for x
    x = 27,901,366,432,140.48/4,680,752.80
  6. Step 6: Final answer
    x = 5,960,871.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.